CN206094632U - Air conditioning system and be equipped with this air conditioning system's electric automobile - Google Patents
Air conditioning system and be equipped with this air conditioning system's electric automobile Download PDFInfo
- Publication number
- CN206094632U CN206094632U CN201621060645.5U CN201621060645U CN206094632U CN 206094632 U CN206094632 U CN 206094632U CN 201621060645 U CN201621060645 U CN 201621060645U CN 206094632 U CN206094632 U CN 206094632U
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- Prior art keywords
- heat exchanger
- conditioning system
- air
- compressor
- exchanger
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model relates to an air conditioning system and be equipped with this air conditioning system's electric automobile, include indoor side heat exchanger, outdoor side heat exchanger and locate indoor side heat exchanger with compressor unit between the outdoor side heat exchanger, compressor unit includes two parallelly connected compressors that set up, indoor side heat exchanger with outdoor side heat exchanger selectively communicates two simultaneously compressor or only communicate one of them the compressor is in order to form the major loop. Above -mentioned air conditioning system includes two parallelly connected compressors to can select two compressors to move simultaneously according to compressor unit's the actual motion condition and still only adopt one of them compressor -running, when compressor unit's load is lower, can only move one of them compressor, when compressor unit's load was higher, the optional moves two compressors simultaneously, thereby the high method of operation of preferred efficiency has higher refrigeration and heats efficiency.
Description
Technical field
The utility model is related to automotive engineering field, more particularly to air-conditioning system and is provided with the electronic vapour of the air-conditioning system
Car.
Background technology
Electric motor car, i.e. electric drive vehicle, are that one kind is originated using battery as energy, will by parts such as controller, motors
Electric energy is converted into mechanical energy motion, with the vehicle that control electric current size changes speed.Electric motor car is because it is to the energy and environment
Save and protect, more and more important effect is played in national economy.
Simple unit compression refrigerating system is adopted existing pure electric vehicle air-conditioning to be freezed more, and heated using PTC
Device is heated.And it is less efficient due to ptc heater, heating energy efficiency ratio is about 0.8W/W, pure electronic in the winter so as to cause
It is that the use of electric motor car brings inconvenience because the use of air-conditioning causes course continuation mileage to reduce nearly 50% during its operation, it is suppressed that
The further growth in electric motor car market.
Utility model content
Based on this, it is necessary to for the relatively low problem of the heating efficiency of the air-conditioning system of electric motor car, there is provided a kind of refrigerated medium
The higher air-conditioning system of the thermal efficiency and it is provided with the electric automobile of the air-conditioning system.
A kind of air-conditioning system, including indoor heat exchanger, outdoor heat exchanger and located at the indoor heat exchanger and institute
The compressor bank between outdoor heat exchanger is stated, the compressor bank includes two compressors being arranged in parallel, the indoor
Heat exchanger selectively connects two compressors or only connects one of them described pressure simultaneously with the outdoor heat exchanger
Contracting machine is forming major loop.
Above-mentioned air-conditioning system includes the compressor of two parallel connections, so as to be selected according to the practical operation situation of compressor bank
Two compressors run or only with one of compressor operating, when the load of compressor bank is relatively low, can only transport simultaneously
The one of compressor of row, when the load of compressor bank is higher, may be selected to run two compressors simultaneously, so as to preferred efficiency
The high method of operation, with higher refrigeration and heating efficiency.
Wherein in one embodiment, the compressor offers gas supplementing opening, and the air-conditioning system also includes being provided with tonifying Qi
The tonifying Qi loop of expansion valve, tonifying Qi loop one end is communicated between the indoor heat exchanger and the outdoor heat exchanger
Major loop, the other end connected with the compressor by the gas supplementing opening.
Wherein in one embodiment, the air-conditioning system includes internal exchanger, and the heat exchanger is returned positioned at the master
On road and located between the outdoor heat exchanger and the indoor heat exchanger, the tonifying Qi loop passes through the internal heat
Device inside and inside the internal exchanger with the major loop heat exchange.
Wherein in one embodiment, the flow direction of the medium described in the internal exchanger in major loop with it is described
The flow direction of the medium in tonifying Qi loop is contrary.
Wherein in one embodiment, the internal exchanger is double pipe heat exchanger or plate type heat exchanger.
Wherein in one embodiment, the outdoor heat exchanger and the internal exchanger, the indoor heat exchanger
Electric expansion valve is respectively equipped between the internal exchanger, the electric expansion valve is parallel with check valve.
Wherein in one embodiment, the compressor also includes air entry, and the air-conditioning system also includes vapor-liquid separation
Device, the gas outlet of the vapour liquid separator connects with the air entry of the compressor, and the air inlet of the vapour liquid separator is optional
Connect the indoor heat exchanger or the outdoor heat exchanger with selecting.
Wherein in one embodiment, the compressor also include equal hydraulic fluid port, the equal hydraulic fluid port by capillary with it is described
Vapour liquid separator is connected.
Wherein in one embodiment, the compressor also includes exhaust outlet, and the air-conditioning system also includes cross valve, institute
Four valve ports for stating cross valve selectively connect the outdoor heat exchanger, indoor heat exchanger and vapour liquid separator.
A kind of electric automobile, including above-mentioned air-conditioning system.
Description of the drawings
Fig. 1 is the schematic diagram of the air-conditioning system of an embodiment；
Fig. 2 is schematic diagram of the air-conditioning system shown in Fig. 1 in refrigeration mode；
Fig. 3 is schematic diagram of the air-conditioning system shown in Fig. 1 in heating mode；
Fig. 4 is the schematic diagram of the air-conditioning system of an embodiment；
Fig. 5 is the schematic diagram of the air-conditioning system of another embodiment；
Fig. 6 is the schematic diagram of the air-conditioning system of another embodiment.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms
Realize, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to of the present utility model
The understanding of disclosure is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology used herein and scientific terminology are led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limiting the utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
As shown in figure 1, a kind of air-conditioning system 100 of this preferred embodiment, is mountable to pure electric vehicle with to pure electric vehicle
Freezed or heated.
Wherein, the air-conditioning system 100 includes indoor heat exchanger 10, outdoor heat exchanger 20 and located at indoor heat exchanger
Compressor bank between 10 and outdoor heat exchanger 20.Compressor bank includes two compressors 30 being arranged in parallel, and indoor is changed
Hot device 10 and outdoor heat exchanger 20 selectively connect two compressors 30 simultaneously or only connect one of compressor 30 with
Form major loop.
Above-mentioned air-conditioning system 100 includes the compressor 30 of two parallel connections, so as to can be according to the actual motion feelings of compressor bank
Condition selects two compressors 30 to run simultaneously or run only with one of compressor 30, when the load of compressor bank it is relatively low
When, one of compressor 30 can be only run, when the load of compressor bank is higher, may be selected to run two compressors simultaneously
30, so as to the high method of operation of preferred efficiency, with higher refrigeration and heating efficiency.
Fig. 2 is referred to, when air-conditioning system 100 is in refrigeration mode, gaseous refrigerant is compressed into high temperature by compressor 30
The gas of high pressure, the gas after compression discharges heat and is condensed into liquid into outdoor heat exchanger 20, outdoor heat exchanger 20
Hot blast is blown out by heat exchange blower fan.Liquid refrigerants enters indoor heat exchanger 10 after flowing out from outdoor heat exchanger 20, absorbs
Heat and pass through to evaporate the gaseous state for being gasificated into low-voltage high-temperature, reach the purpose of refrigeration so as to absorb the heat of room air.It is low
The gaseous coolant of super pressure-high temperature is eventually passed back in compressor 30, so as to complete a kind of refrigeration cycle.
Fig. 3 is referred to, when air-conditioning system 100 is in heating mode, gaseous refrigerant is compressed into high temperature by compressor 30
The gas of high pressure, the gas after compression gets in the release volume heat of side heat exchanger 10 and is condensed into liquid, so as to heat interior
Air and reach the purpose for heating.Liquid refrigerants enters outdoor heat exchanger 20 after flowing out from indoor heat exchanger 10, absorbs
Heat and passing through evaporates the gaseous state for becoming low-voltage high-temperature, and outdoor heat exchanger 20 passes through heat exchange blower fan blowing cold air.Low-voltage high-temperature
Gaseous coolant eventually pass back in compressor 30, so as to complete once to heat circulation.
Please continue to refer to Fig. 2 and Fig. 3, compressor 30 offers gas supplementing opening 32, and air-conditioning system 100 is also swollen including tonifying Qi is provided with
The tonifying Qi loop of swollen valve 40, tonifying Qi loop one end is communicated in the master between indoor heat exchanger 10 and outdoor heat exchanger 20 and returns
Road, the other end is connected with compressor 30 by gas supplementing opening 32, so as to carry out tonifying Qi to compressor 30, to increase the row of compressor 30
Tolerance, lifts heating and refrigerating capacity for compressor 30.
Air-conditioning system 100 includes internal exchanger 50, and the internal exchanger 50 is located on major loop and located at outside and changes
Between hot device 20 and indoor heat exchanger 10, tonifying Qi loop passes through internal exchanger 50 and the internally inside of heat exchanger 50 and master
Loop heat exchange.Also, when air-conditioning system 100 is in heating mode, the medium in internal exchanger 50 in major loop is (i.e. cold
Matchmaker) medium in flow direction and tonifying Qi loop flow direction conversely, therefore with bigger heat transfer temperature difference, so as to play
More preferable heat exchange effect.
Further, the port of export that internal exchanger 50 is located on major loop is respectively communicated with indoor heat exchanger 10 and tonifying Qi
The entrance point of expansion valve 40, the port of export of tonifying Qi expansion valve 40 passes through the connection compressor of check valve 70 through internal exchanger 50
30 gas supplementing opening 32.In the present embodiment, internal exchanger 50 is double pipe heat exchanger or plate type heat exchanger, to reduce refrigerant
Mass dryness fraction and increase evaporator section enthalpy difference, and tonifying Qi mass dryness fraction can be improved, prevent liquid refrigerants from entering pressure from the gas supplementing opening 32 of compressor 30
In contracting machine 30.In the present embodiment, as shown in Fig. 4, Fig. 5 and Fig. 6, the connected mode not limited to this of internal exchanger 50 are internal
The entrance point that heat exchanger 50 is located on major loop can be respectively communicated with indoor heat exchanger 10 or tonifying Qi expansion valve 40, and connection is internal to change
The pipeline of hot device 50 can intersect or not intersect.
Referring to Fig. 1, Fig. 2 and Fig. 3, when air-conditioning system 100 is in refrigeration mode, flow from outdoor heat exchanger 20
The liquid refrigerants of the normal temperature high voltage for going out enters internal exchanger 50 and from after the outflow of internal exchanger 50, and operative liquid refrigerant is along benefit
Air circuit carries out reducing pressure by regulating flow into tonifying Qi expansion valve 40, subsequently into major loop in internal exchanger 50 and internal exchanger 50
Interior refrigerant carries out heat exchange, is evaporated to gas after the heat of the refrigerant in the liquid refrigerants absorption major loop in tonifying Qi loop, most
Afterwards compressor 30 is entered by gas supplementing opening 32, the refrigerant heat release of major loop is accordingly changed into supercooled liquid refrigerant and gets in side
Heat exchanger 10.
When air-conditioning system 100 is in heating mode, the liquid refrigerants of the normal temperature high voltage flowed out from indoor heat exchanger 10
Part carries out reducing pressure by regulating flow along tonifying Qi loop into tonifying Qi expansion valve 40, subsequently into internal exchanger 50 and internal exchanger 50
Refrigerant in middle major loop carries out heat exchange, evaporates after the heat of the liquid refrigerants of the liquid refrigerants absorption major loop in tonifying Qi loop
For gas, finally by gas supplementing opening 32 compressor 30, the refrigerant heat release of major loop, so as to be changed into from the liquid refrigerants of normal temperature are entered
Supercooled liquid refrigerant and enter outdoor heat exchanger 20.
Further, outdoor heat exchanger 20 and internal exchanger 50, indoor heat exchanger 10 and internal exchanger 50
Between be respectively equipped with electric expansion valve 60 to adjust the flow of major loop, and the parallel connection of electric expansion valve 60 is provided with check valve
70。
Thus, when air-conditioning system 100 is refrigeration mode, the electric expansion valve 60 of the port of export of outdoor heat exchanger 20 connection
Close and check valve 70 is opened, refrigerant avoids the resistance drop of electric expansion valve 60 through check valve 70 into internal exchanger 50
The temperature of low refrigerant.The electric expansion valve 60 of the port of export of internal exchanger 50 connection is opened and check valve 70 is closed, refrigerant so as to
Enter outdoor heat exchanger 20 to control flow by electric expansion valve 60 through electric expansion valve 60.
When air-conditioning system 100 is heating mode, the electric expansion valve 60 of the port of export of indoor heat exchanger 10 connection is closed
And check valve 70 is opened, refrigerant avoids the resistance of electric expansion valve 60 from reducing cold through check valve 70 into internal exchanger 50
The temperature of matchmaker.The electric expansion valve 60 of the port of export of internal exchanger 50 connection is opened and check valve 70 is closed, and refrigerant is so as to passing through
Electric expansion valve 60 gets in outside heat exchanger to control flow by electric expansion valve 60.
Therefore, electric expansion valve 60 can be controlled according to actual operating mode, is adjusted by the aperture of electric expansion valve 60
The pressure of tonifying Qi side pressure force snesor, to control to feed the air compensation of compressor 30, reaches optimal refrigeration or heating effect.And
And, being parallel to the check valve 70 of electric expansion valve 60 can avoid the resistance of electric expansion valve 60 from reducing changing for internal exchanger 50
The hot temperature difference and have influence on heat transfer effect, reach lifted air-conditioning system 100 air compensation purpose.
Compressor 30 also includes air entry 34, and air-conditioning system 100 also includes vapour liquid separator 80, and vapour liquid separator 80 goes out
Gas port is connected with the air entry 34 of compressor 30, the air inlet of vapour liquid separator 80 selectively connect indoor heat exchanger 10 or
Outdoor heat exchanger 20.Vapour liquid separator 80 can be used to store refrigerant, filter and oil return.Outdoor heat exchanger 20 or indoor are changed
The refrigerant of the output of hot device 10 enters vapour liquid separator 80 and flows into bottom, and gaseous refrigerant rises to top and returns to compressor 30,
Liquid refrigerants then gasifies gradually in the bottom of gas-liquid separator, in being then return to compressor 30, so as to prevent liquid refrigerants from entering
Compressor 30.
Wherein in an embodiment, compressor 30 also includes equal hydraulic fluid port 36, and equal hydraulic fluid port 36 is by capillary and vapor-liquid separation
Device 80 is connected, so as to pass through the oil mass size that vapour liquid separator 80 adjusts two compressors 30.
Compressor 30 also includes exhaust outlet 38, and air-conditioning system 100 also includes cross valve 90, four valve ports point of cross valve 90
Outdoor heat exchanger 20, indoor heat exchanger 10 and vapour liquid separator 80 are not selectively connected.When air-conditioning is in refrigeration mode
When, exhaust outlet 38 and outdoor heat exchanger 20, indoor heat exchanger 10 and the vapour liquid separator 80 of compressor 30 pass through four-way
Valve 90 is connected.When air-conditioning is in heating mode, exhaust outlet 38 and the indoor heat exchanger 10, outdoor heat exchanger of compressor 30
20 are connected with vapour liquid separator 80 by cross valve 90.Thus, the on off operating mode of the valve port of control cross valve 90, you can control
The flow direction of refrigerant, makes air-conditioning system 100 in refrigeration or heats state.
Above-mentioned air-conditioning system 100, including two compressors 30 being arranged in parallel, so as to the reality that can be run according to compressor bank
Border situation selects the different methods of operation and obtains higher efficiency.Also, it is provided with tonifying Qi loop to mend compressor 30
Gas, so as to the operating efficiency for increasing capacity to improve compressor 30.Additionally, electric expansion valve 60 makes with the in parallel of check valve 70
With electric expansion valve 60 can be avoided to suspend restriction loss when using, to improve the heat transfer temperature difference and heat exchange effect of internal exchanger 50
Rate.
As shown in figure 1, a kind of electric automobile, including above-mentioned air-conditioning system 100, to adjust the temperature in electric automobile.
The electric automobile is due to using the air-conditioning system 100, therefore the low-temperature heating capability improving 25% at -15 DEG C,
COP (Coefficient Of Performance, heating energy efficiency ratio) lifts 16%.Thus, improving environment inside car comfortableness
While, impact of the air-conditioning to electric motor car course continuation mileage is reduced, reduce the charging times of electric automobile, energy saving.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, some deformations and improvement can also be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be defined by claims.
Claims (10)
1. a kind of air-conditioning system (100), it is characterised in that including indoor heat exchanger (10), outdoor heat exchanger (20) and set
Compressor bank between the indoor heat exchanger (10) and the outdoor heat exchanger (20), the compressor bank includes two
The individual compressor (30) being arranged in parallel, the indoor heat exchanger (10) and the outdoor heat exchanger (20) are selectively simultaneously
Two compressors (30) of connection only connect one of them described compressor (30) to form major loop.
2. air-conditioning system (100) according to claim 1, it is characterised in that the compressor (30) offers gas supplementing opening
(32), the air-conditioning system (100) also includes being provided with the tonifying Qi loop of tonifying Qi expansion valve (40), the connection of tonifying Qi loop one end
Major loop between the indoor heat exchanger (10) and the outdoor heat exchanger (20), the other end and the compressor
(30) connected by the gas supplementing opening (32).
3. air-conditioning system (100) according to claim 2, it is characterised in that the air-conditioning system (100) is changed including inside
Hot device (50), the internal exchanger (50) is on the major loop and located at the outdoor heat exchanger (20) and the room
Between inner side heat exchanger (10), the tonifying Qi loop is through the internal exchanger (50) inside and in the internal exchanger
(50) inside and the major loop heat exchange.
4. air-conditioning system (100) according to claim 3, it is characterised in that main described in the internal exchanger (50)
The flow direction of the medium in loop is contrary with the flow direction of the medium in the tonifying Qi loop.
5. air-conditioning system (100) according to claim 3, it is characterised in that the internal exchanger (50) is bushing type
Heat exchanger or plate type heat exchanger.
6. air-conditioning system (100) according to claim 3, it is characterised in that the outdoor heat exchanger (20) with it is described
Electric expansion valve is respectively equipped between internal exchanger (50), the indoor heat exchanger (10) and the internal exchanger (50)
(60), the electric expansion valve (60) is parallel with check valve (70).
7. air-conditioning system (100) according to claim 1, it is characterised in that the compressor (30) also includes air entry
(34), the air-conditioning system (100) also includes vapour liquid separator (80), the gas outlet of the vapour liquid separator (80) and the pressure
Air entry (34) connection of contracting machine (30), the air inlet of the vapour liquid separator (80) selectively connects the indoor heat exchange
Device (10) or the outdoor heat exchanger (20).
8. air-conditioning system (100) according to claim 7, it is characterised in that the compressor (30) also includes equal hydraulic fluid port
(36), the equal hydraulic fluid port (36) is connected by capillary with the vapour liquid separator (80).
9. air-conditioning system (100) according to claim 7, it is characterised in that the compressor (30) also includes exhaust outlet
(38), the air-conditioning system (100) also includes cross valve (90), and four valve ports of the cross valve (90) selectively connect
The logical outdoor heat exchanger (20), indoor heat exchanger (10) and vapour liquid separator (80).
10. a kind of electric automobile, it is characterised in that including air-conditioning system as claimed in any one of claims 1 to 9 wherein (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060645.5U CN206094632U (en) | 2016-09-18 | 2016-09-18 | Air conditioning system and be equipped with this air conditioning system's electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060645.5U CN206094632U (en) | 2016-09-18 | 2016-09-18 | Air conditioning system and be equipped with this air conditioning system's electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206094632U true CN206094632U (en) | 2017-04-12 |
Family
ID=58480017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621060645.5U Expired - Fee Related CN206094632U (en) | 2016-09-18 | 2016-09-18 | Air conditioning system and be equipped with this air conditioning system's electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206094632U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225297A (en) * | 2016-09-18 | 2016-12-14 | 珠海格力电器股份有限公司 | Air conditioning system and be provided with the electric automobile of this air conditioning system |
| CN113757792A (en) * | 2021-09-28 | 2021-12-07 | 美的集团股份有限公司 | Air conditioner |
-
2016
- 2016-09-18 CN CN201621060645.5U patent/CN206094632U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225297A (en) * | 2016-09-18 | 2016-12-14 | 珠海格力电器股份有限公司 | Air conditioning system and be provided with the electric automobile of this air conditioning system |
| CN113757792A (en) * | 2021-09-28 | 2021-12-07 | 美的集团股份有限公司 | Air conditioner |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 |